Sometimes pride and a sense of justice are more important than money in terms of building a wonderful life. I agree with you that most people don't do the right thing, but that doesn't excuse doing the wrong thing. Based on the version of events listed here, the parents failed a basic character test. I would rather be on my own, than held in orbit around such people by the occasional gift. If I were OP I would separate on good terms and get a high paying job that allows me to claim I am too busy to have anything to do with the business.